gobject-introspection: backport fix for macosx dyld linking

See https://gitlab.gnome.org/GNOME/gobject-introspection/issues/205
3 jobs for osxfix in 57 minutes and 20 seconds (queued for 1 minute and 39 seconds)
Status Job ID Name Coverage
  Preparation
passed #66498
manifest

00:00:22

 
  Build
passed #66499
cerbero deps fedora x86_64

00:45:18

 
  Full Builds
passed #66500
build cerbero fedora x86_64

00:11:39